<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<script type="text/javascript">
    function Vue(name) {
        this.name = name
        this.mount()
    }
    Vue.prototype.mount = function () {
        console.log("this",this)
        return $mount.call(this)
    }
    const $mount = Vue.prototype.mount

    var dom1 = new Vue('ssx')


</script>
</body>
</html>